RealClear Opinion Research recently conducted a poll about Biden's first 100 days in office. One of the questions asked was how important it is to reach the milestone of 100 million administered Covid-19 vaccine shots and public satisfaction with results to date. The timeline below shows the total daily seconds of airtime in which vaccination was mentioned since the start of last year. Mentions increase sharply with the first vaccine approvals in November 2020, though have been trending downward in recent days.